Rule History

SID: 2037149 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Jun 29, 2022, 12:00 PM

Message:

ET MALWARE EvilNum APT Related Domain in DNS Lookup (msdllopt .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE EvilNum APT Related Domain in DNS Lookup (msdllopt .com)"; dns.query; content:"msdllopt.com"; nocase; bsize:12; reference:url,www.zscaler.com/blogs/security-research/return-evilnum-apt-updated-ttps-and-new-targets; reference:md5,61776b209b01d62565e148585fda1954; classtype:domain-c2; sid:2037149; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_29, deployment Perimeter, malware_family EvilNum, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_29;)

Created:

Jun 29, 2022, 12:00 PM

Updated:

Jun 29, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 2, 2025, 9:35 PM

Filename:

rules/emerging-malware.rules